Picture frame



FIG. 1 is a front elevational view of a picture frame showing our new design;

FIG. 2 is a right side elevational view thereof, the side opposite being substantially a mirror image;

FIG. 3 is a bottom plan view thereof, the top plan view being substantially a mirror image;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a cross-sectional view thereof taken along line 5--5 in FIG. 1; and,

FIG. 6 is a cross-sectional view thereof taken along line 6--6 in FIG. 1. 

The ornamental design for a picture frame, as shown and described. 